Exhaust manifold

Part of S58 engine · about $1,100 to replace

What it is

Two three-into-one cast manifolds integrated with the turbine housings.

What it does

Collects exhaust from each bank of three cylinders and directs it into the turbine.

How it fails

Cracks between runners after track abuse; listen for ticking on cold start.

Material	Cast heat-resistant steel (1.4837)
Spec	Runner 38 mm
	980 °C max

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